What’s Vulnerable › Vulnerabilities

CVE-2022-45886

• Severity: high (CVSS 7.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-11-25 · updated 2026-06-17
• Weakness: CWE-362

Description

An issue was discovered in the Linux kernel through 6.0.9. drivers/media/dvb-core/dvb_net.c has a .disconnect versus dvb_device_open race condition that leads to a use-after-free.

Affected products

• Linux kernel: from 2.6.12 before 4.19.285; from 4.20 before 5.4.246; from 5.5 before 5.10.183; from 5.11 before 5.15.116; from 5.16 before 6.1.33; from 6.2 before 6.3.7 — fixed in 4.19.285, 5.10.183, 5.15.116, 5.4.246, 6.1.33, 6.3.7
• NetApp H300S Firmware: all versions
• NetApp H410C Firmware: all versions
• NetApp H410S Firmware: all versions
• NetApp H500S Firmware: all versions
• NetApp H700S Firmware: all versions

How to fix

Upgrade to a fixed version: Linux kernel 4.19.285, 5.10.183, 5.15.116, 5.4.246. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4172385b0c9ac366dcab78eda48c26814b87ed1a
• https://lore.kernel.org/linux-media/20221115131822.6640-1-imv4bel%40gmail.com/
• https://lore.kernel.org/linux-media/20221115131822.6640-3-imv4bel%40gmail.com/
• https://security.netapp.com/advisory/ntap-20230113-0006/
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4172385b0c9ac366dcab78eda48c26814b87ed1a
• https://lore.kernel.org/linux-media/20221115131822.6640-1-imv4bel%40gmail.com/
• https://lore.kernel.org/linux-media/20221115131822.6640-3-imv4bel%40gmail.com/
• https://security.netapp.com/advisory/ntap-20230113-0006/

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